<template>
  <div>
  <!-- 面包屑导航区 -->
  <el-breadcrumb separator-class="el-icon-arrow-right">
    <el-breadcrumb-item :to="{ path: '/home' }">首页</el-breadcrumb-item>
    <el-breadcrumb-item>商品管理</el-breadcrumb-item>
    <el-breadcrumb-item>商品列表</el-breadcrumb-item>
  </el-breadcrumb>
  <!-- 卡片视图 -->
  <el-card>
    <el-row :gutter="20">
      <el-col :span="6">
        <el-input placeholder="请输入内容" v-model="queryInfo.query" clearable @clear="getGoodsList">
          <el-button slot="append" icon="el-icon-search" @click="getGoodsList"></el-button>
        </el-input>
      </el-col>
      <el-col :span="4">
        <el-button type="primary" @click="goAddPage">添加商品</el-button>
      </el-col>
    </el-row>
    <!-- 表格数据 -->
    <el-table :data="goodsList" border stripe>
      <el-table-column type="index"></el-table-column>
      <el-table-column label="商品名称" prop="goods_name"></el-table-column>
      <el-table-column label="商品价格(元)" prop="goods_price" width="100px"></el-table-column>
      <el-table-column label="商品重量" prop="goods_weight" width="70px"></el-table-column>
      <el-table-column label="商品数量" prop="goods_number" width="70px"></el-table-column>
      <el-table-column label="创建时间" prop="add_time" width="140px">
        <template slot-scope="scope">{{scope.row.add_time | dataFormat }}</template>
      </el-table-column>
      <el-table-column label="操作" width="130px">
        <template slot-scope="scope">
          <el-button type="primary" icon="el-icon-edit" size="mini"></el-button>
          <el-button
              type="danger"
              icon="el-icon-delete"
              size="mini"
              @click="removeById(scope.row.goods_id)"
          ></el-button>
        </template>
      </el-table-column>
    </el-table>
    <!-- 分页区域 -->
    <el-pagination
        @size-change="handleSizeChange"
        @current-change="handleCurrentChange"
        :current-page="queryInfo.pagenum"
        :page-sizes="[5, 10, 15, 20]"
        :page-size="queryInfo.pagesize"
        layout="total, sizes, prev, pager, next, jumper"
        :total="total"
        background
    ></el-pagination>
  </el-card>
  </div>
</template>

<script>
export default {
  name: "goods",
 data () {
  return {
    queryInfo: {
      query: '',
      pagenum: 1,
      pagesize: 10
    },
    // 商品列表
    goodsList: [],
    // 商品总数
    total: 0
  }
},
created () {
  this.getGoodsList()
},
methods: {
  // 根据分页获取对应的商品列表
  async getGoodsList () {
    const { data: res } = await this.$http.get('goods', {
      params: this.queryInfo
    })
    if (res.meta.status !== 200) {
      return this.$message.error('获取商品列表失败！')
    }
    this.goodsList = res.data.goods
    //   console.log(this.goodsList)
    this.total = res.data.total
  },
  handleSizeChange (newSize) {
    this.queryInfo.pagesize = newSize
    this.getGoodsList()
  },
  handleCurrentChange (newSize) {
    this.queryInfo.pagenum = newSize
    this.getGoodsList()
  },
  // 通过Id删除商品
  async removeById (id) {
    const confirmResult = await this.$confirm(
        '此操作将永久删除该商品, 是否继续?',
        '提示',
        {
          confirmButtonText: '确定',
          cancelButtonText: '取消',
          type: 'warning'
        }
    ).catch(err => err)
    if (confirmResult !== 'confirm') {
      return this.$message.info('已取消删除！')
    }
    const { data: res } = await this.$http.delete('goods/' + id)
    if (res.meta.status !== 200) {
      return this.$message.error('删除商品失败！')
    }
    this.$message.success('删除商品成功！')
    await this.getGoodsList()
  },
  goAddPage () {
    this.$router.push('/goods/add')
  }
}
}
</script>

<style scoped>

</style>
